# Interval Timer vs When..

The clearest difference is update cadence: Interval Timer at every 3 weeks against When..'s every 2 months. Interval Timer also leads on device support (4 vs 1). On price, ads, in-app purchases and iOS requirement there is nothing between them.

Both are free to download. Interval Timer sells 3 in-app purchases, starting at $4.99 per month and When.. sells 4 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Interval Timer ships an update every 3 weeks, When.. every 2 months. The most recent releases landed on October 9, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | Interval Timer | When.. |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (25 ratings)](https://appshunter.io/ios/app/interval-timer-timewave/id1524345488/reviews)** | — |
| Number of ratings | **25** | — |
| Positive reviews | 85.7% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 2 months |
| Monetization | Freemium | — |
| Size | 49 MB | 7 MB |
| Requires iOS | 26.0 | 26.0 |
| Devices | **iPhone, iPad, Mac, Apple Watch** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Muhammed Sahil Arayakandy](https://appshunter.io/developer/1524345491) | [Second Victor](https://appshunter.io/developer/1749093677) |

## What reviewers say

### Interval Timer

[App page](https://appshunter.io/ios/app/interval-timer-timewave/id1524345488)

This versatile timer app allows users to create custom sequences for various activities, from breathwork and workouts to focus sessions and cooking. It offers AI-powered voice guidance, iCloud synchronization across Apple devices, and a minimalist black-and-white interface.

**Highlights:** Customizable timer chains, Breathwork flow builder, Intermittent fasting timers, Workout routine creator, Focus and Pomodoro timers, AI voice guidance, iCloud sync across devices

**Features:** Family Sharing, Apple Watch app, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Premium | $4.99 | per month |
| Yearly Premium | $24.99 | per year |
| Lifetime Premium | $49.99 | one-time |


### When..

[App page](https://appshunter.io/ios/app/when/id6702031839)

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Small Coffee | $0.99 | one-time |
| Large Coffee | $2.99 | one-time |
| Lunch | $4.99 | one-time |
| Dinner | $9.99 | one-time |


## Frequently asked questions

### Is Interval Timer free?

Interval Timer is free to download, with in-app purchases available.

### Is When.. free?

When.. is free to download, with in-app purchases available.

### Do Interval Timer or When.. have ads?

Neither Interval Timer nor When.. shows ads.

### Which is updated more often, Interval Timer or When..?

Interval Timer ships an update every 3 weeks, and When.. every 2 months. Most recently, Interval Timer was updated on October 9, 2026 and When.. on October 11, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*